Add warnings when the target instance is null to attemptToDispatchEvent method

[suthagar23]

Summary

Add warnings when the target instance is null to attemptToDispatchEvent method. Added changes based on the existing TODO, and removed it after the fix.

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Sandbox	Source
lucid-wiles-6lzd5	Configuration

[sizebot]

Details of bundled changes.

Comparing: dbd85a0...696bd93

react-dom

File	Filesize Diff	Gzip Diff	Prev Size	Current Size	Prev Gzip	Current Gzip	ENV
react-dom.production.min.js	0.0%	0.0%	118.39 KB	118.39 KB	37.21 KB	37.21 KB	NODE_PROD
react-dom-test-utils.development.js	0.0%	0.0%	59.3 KB	59.3 KB	15.68 KB	15.68 KB	UMD_DEV
ReactDOMTesting-profiling.js	0.0%	0.0%	390.97 KB	390.97 KB	71.17 KB	71.17 KB	FB_WWW_PROFILING
react-dom-server.browser.production.min.js	0.0%	0.0%	19.88 KB	19.88 KB	7.37 KB	7.37 KB	NODE_PROD
react-dom-unstable-fizz.browser.development.js	0.0%	+0.1%	3.34 KB	3.34 KB	1.26 KB	1.26 KB	UMD_DEV
react-dom-test-utils.production.min.js	0.0%	0.0%	12.26 KB	12.26 KB	4.55 KB	4.55 KB	UMD_PROD
ReactDOMForked-dev.js	+0.1%	0.0%	984.33 KB	985.34 KB	218.69 KB	218.78 KB	FB_WWW_DEV
ReactDOMForked-prod.js	0.0%	0.0%	410.66 KB	410.66 KB	74.58 KB	74.58 KB	FB_WWW_PROD
react-dom-unstable-fizz.node.development.js	0.0%	+0.1%	3.68 KB	3.68 KB	1.33 KB	1.33 KB	NODE_DEV
react-dom.development.js	+0.1%	0.0%	904.24 KB	905.05 KB	198.74 KB	198.83 KB	UMD_DEV
ReactDOMForked-profiling.js	0.0%	0.0%	428.31 KB	428.31 KB	77.69 KB	77.69 KB	FB_WWW_PROFILING
react-dom-server.browser.development.js	0.0%	0.0%	135.15 KB	135.15 KB	34.75 KB	34.75 KB	UMD_DEV
react-dom-server.browser.production.min.js	0.0%	0.0%	19.97 KB	19.97 KB	7.42 KB	7.42 KB	UMD_PROD
ReactDOMTesting-dev.js	+0.1%	0.0%	920.03 KB	921.03 KB	205.25 KB	205.35 KB	FB_WWW_DEV
react-dom.development.js	+0.1%	0.0%	860.64 KB	861.42 KB	196.27 KB	196.35 KB	NODE_DEV
ReactDOMTesting-prod.js	0.0%	0.0%	390.97 KB	390.97 KB	71.17 KB	71.17 KB	FB_WWW_PROD
ReactDOM-dev.js	+0.1%	0.0%	984.33 KB	985.34 KB	218.69 KB	218.78 KB	FB_WWW_DEV
ReactDOM-prod.js	0.0%	0.0%	410.66 KB	410.66 KB	74.58 KB	74.58 KB	FB_WWW_PROD
react-dom-test-utils.development.js	0.0%	0.0%	54.77 KB	54.77 KB	15.08 KB	15.08 KB	NODE_DEV
ReactDOMServer-prod.js	0.0%	0.0%	47.41 KB	47.41 KB	11.05 KB	11.05 KB	FB_WWW_PROD
react-dom-unstable-fizz.browser.development.js	0.0%	+0.1%	2.94 KB	2.94 KB	1.17 KB	1.17 KB	NODE_DEV
ReactDOM-profiling.js	0.0%	0.0%	428.31 KB	428.31 KB	77.69 KB	77.69 KB	FB_WWW_PROFILING
react-dom-test-utils.production.min.js	0.0%	0.0%	12.12 KB	12.12 KB	4.47 KB	4.47 KB	NODE_PROD
react-dom-unstable-native-dependencies.development.js	0.0%	0.0%	57.7 KB	57.7 KB	14.36 KB	14.36 KB	UMD_DEV
react-dom-unstable-fizz.browser.production.min.js	0.0%	🔺+0.2%	1013 B	1013 B	601 B	602 B	NODE_PROD
react-dom-unstable-native-dependencies.production.min.js	0.0%	🔺+0.1%	10.04 KB	10.04 KB	3.37 KB	3.37 KB	NODE_PROD

ReactDOM: size: 0.0%, gzip: 0.0%

Size changes (stable)

Generated by 🚫 dangerJS against 696bd93

[sizebot]

Details of bundled changes.

Comparing: dbd85a0...696bd93

react-dom

File	Filesize Diff	Gzip Diff	Prev Size	Current Size	Prev Gzip	Current Gzip	ENV
react-dom-server.browser.development.js	0.0%	0.0%	136.74 KB	136.74 KB	34.96 KB	34.96 KB	UMD_DEV
react-dom.profiling.min.js	0.0%	0.0%	126.64 KB	126.64 KB	39.59 KB	39.59 KB	NODE_PROFILING
ReactDOM-dev.js	+0.1%	0.0%	938.51 KB	939.52 KB	208.74 KB	208.84 KB	FB_WWW_DEV
react-dom-unstable-fizz.browser.development.js	0.0%	+0.1%	2.95 KB	2.95 KB	1.18 KB	1.18 KB	NODE_DEV
react-dom-unstable-fizz.browser.production.min.js	0.0%	🔺+0.2%	1 KB	1 KB	609 B	610 B	NODE_PROD
react-dom-test-utils.development.js	0.0%	0.0%	59.32 KB	59.32 KB	15.69 KB	15.69 KB	UMD_DEV
react-dom-test-utils.production.min.js	0.0%	0.0%	12.27 KB	12.27 KB	4.56 KB	4.56 KB	UMD_PROD
ReactDOMTesting-dev.js	+0.1%	0.0%	893.28 KB	894.28 KB	199.54 KB	199.64 KB	FB_WWW_DEV
ReactDOMTesting-prod.js	0.0%	0.0%	378.01 KB	378.01 KB	69.11 KB	69.11 KB	FB_WWW_PROD
react-dom-test-utils.development.js	0.0%	0.0%	54.78 KB	54.78 KB	15.08 KB	15.08 KB	NODE_DEV
ReactDOMTesting-profiling.js	0.0%	0.0%	378.01 KB	378.01 KB	69.11 KB	69.11 KB	FB_WWW_PROFILING
react-dom-test-utils.production.min.js	0.0%	0.0%	12.13 KB	12.13 KB	4.48 KB	4.48 KB	NODE_PROD
react-dom-server.node.production.min.js	0.0%	0.0%	20.75 KB	20.75 KB	7.6 KB	7.6 KB	NODE_PROD
react-dom.development.js	+0.1%	0.0%	934.73 KB	935.54 KB	204.03 KB	204.12 KB	UMD_DEV
react-dom.production.min.js	0.0%	0.0%	122.52 KB	122.52 KB	39.15 KB	39.15 KB	UMD_PROD
ReactDOMForked-dev.js	+0.1%	0.0%	938.51 KB	939.52 KB	208.74 KB	208.84 KB	FB_WWW_DEV
react-dom-unstable-native-dependencies.production.min.js	0.0%	🔺+0.1%	10.32 KB	10.32 KB	3.49 KB	3.5 KB	UMD_PROD
ReactDOMServer-dev.js	0.0%	0.0%	137.51 KB	137.51 KB	35.13 KB	35.14 KB	FB_WWW_DEV
react-dom.profiling.min.js	0.0%	0.0%	126.35 KB	126.35 KB	40.4 KB	40.4 KB	UMD_PROFILING
ReactDOMServer-prod.js	0.0%	0.0%	46.7 KB	46.7 KB	10.87 KB	10.87 KB	FB_WWW_PROD
react-dom.development.js	+0.1%	0.0%	889.84 KB	890.62 KB	201.5 KB	201.59 KB	NODE_DEV
react-dom-unstable-fizz.node.development.js	0.0%	+0.1%	3.69 KB	3.69 KB	1.34 KB	1.34 KB	NODE_DEV
react-dom.production.min.js	0.0%	0.0%	122.66 KB	122.66 KB	38.32 KB	38.32 KB	NODE_PROD
react-dom-unstable-native-dependencies.production.min.js	0.0%	🔺+0.1%	10.05 KB	10.05 KB	3.38 KB	3.38 KB	NODE_PROD

Size changes (experimental)

Generated by 🚫 dangerJS against 696bd93

[stale]

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